Blacklist Monitor

Welcome to our Blacklist Performance Monitoring, tracking more than 40 blacklists.

Blacklists, also known as RBL, DNSBL or URIBL, help administrators to block messages from specific IP's which have a history of sending spam. They can be used by software like SpamAssassin to reject or flag unwanted messages. Most public blacklists have their own standards and criteria for listing spammers. Hence, results can vary greatly from one to the other.

Latest News

2025-02-27

We thank the Nixspam team for their service and have removed the defunct lists.
» More news

Blacklists performance from 2025-10-06 till 2025-10-12

Below are weekly statistics of accuracy and failure rates for specific blacklists:

Name Type Accuracy Inaccuracy
CBLCN PLUS DNSBL 0% 0%
COMPOSITE BLOCKING LIST DNSBL 26.25% 0%
DCC CHECK 73.97% 4.09%
DNSWL HIGH DNSWL 0.33% 0%
DNSWL LOW DNSWL 1.15% 0.22%
DNSWL MEDIUM DNSWL 34.23% 0%
DNSWL NONE DNSWL 1.19% 4.45%
DRONEBL DNSBL 5.53% 0.04%
GBUDB.COM TRUNCATE DNSBL 52.17% 0%
IMP SPAMLIST DNSBL 0% 0%
JIPPG DNSBL 7.7% 0%
JMF-BLACK DNSBL 40.67% 0%
JMF-WHITE DNSWL 1.23% 0.43%
MAILSPIKE BL DNSBL 50.98% 0%
MAILSPIKE WL DNSWL 5.36% 2.82%
PSBL SURRIEL DNSBL 26.36% 0.04%
SPAM EATING MONKEY - BLACK DNSBL 20.28% 0%
SPAM EATING MONKEY - URI BLACK URIBL 3.15% 0%
SPAM EATING MONKEY - URI FRESH URIBL 2.93% 0%
SPAM EATING MONKEY - URI FRESH 10 URIBL 3.9% 0%
SPAM EATING MONKEY - URI FRESH 15 URIBL 3.9% 0%
SPAM EATING MONKEY - URI RED URIBL 4.45% 0%
SPAMCOP DNSBL 49.35% 0%
SPAMHAUS DBL URIBL 33.08% 0.16%
SPAMHAUS PBL DNSBL 29.5% 0%
SPAMHAUS SBL URIBL 0.22% 0.04%
SPAMHAUS XBL DNSBL 26.25% 0%
SPAMHAUS ZEN DNSBL 51.74% 0%
SPAMRATS ALL DNSBL 44.03% 0%
SPAMRATS DYNA DNSBL 12.58% 0%
SPAMRATS NOPTR DNSBL 13.77% 0%
SPAMRATS SPAM DNSBL 18.76% 0%
SURBL ABUSE URIBL 43.28% 0%
SURBL COMBINED URIBL 50.22% 0%
SURBL CRACKED SITES URIBL 0% 0%
SURBL MALWARE URIBL 0% 0%
SURBL PHISHING URIBL 25.49% 0%
SWINOG DNSRBL DNSBL 0% 0%
SWINOG URIBL URIBL 0% 0%
UCEPROTECT 1 DNSBL 35.79% 0.04%
UCEPROTECT 2 DNSBL 52.82% 0.04%
UCEPROTECT 3 DNSBL 42.41% 0%
UNSUBSCRIBE BLACKLIST DNSBL 0% 0%
URIBL BLACKLIST URIBL 30.37% 0.08%
WPBL DNSBL 0% 0%

View the data processing guide to learn more.